Battery management system and battery simulator
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United States of America Patent
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-
Jan 18, 2000
Grant Date -
N/A
app pub date -
Nov 12, 1997
filing date -
Nov 21, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A battery management system 100 comprises input means 102 for receiving input signals, such as current or voltage, which represent a physical quantity of a battery. In operation, processing means 105 of the battery management system 100 calculate a physical quantity of the battery, such as the State of Charge, based on the input signals by using an electrochemical/physical model of the battery. The model includes a representation of a main electrochemical storage reaction, whose behaviour is calculated in dependence on a battery temperature. The processing means 105 calculates the battery temperature based on a temperature model of a temperature development in the battery. The battery management system 100 comprises output means 104 for outputting an output signal which is derived from a state of the electrochemical storage reaction. The battery management system 100 is, advantageously, used in a smart battery 10 or a battery charger/discharger 200. The model is, advantageously, also used in a battery simulator.
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